Supporting Technical Assessments

Alkalinity - Total (g/m3 as CaCO3) Aluminium-Dissolved(g/m3) Antimony-Dissolved(g/m3) Arsenic-Dissolved(g/m3) Barium-Dissolved(g/m3) Bicarbonate (g/m3 at 25°C) Boron-Dissolved(g/m3) Cadmium-Dissolved(g/m3) Caesium - Dissolved (g/m3)(g/m3) Calcium-Dissolved(g/m3) Chloride(g/m3) Chromium-Dissolved(g/m3) Cobalt-Dissolved(g/m3) Copper-Dissolved(g/m3) Electrical Conductivity (EC) (mS/m) Hardness-Total(g/m3 as CaCO3) Iron-Dissolved(g/m3) Lanthanum - Dissolved (g/m3)(g/m3) Lead-Dissolved(g/m3) Lithium - Dissolved (g/m3)(g/m3) Magnesium-Dissolved(g/m3) Manganese-Dissolved(g/m3) Mercury-Acid Soluble(g/m3) Mercury-Dissolved(g/m3) Molybdenum-Dissolved(g/m3) Nickel-Dissolved(g/m3) Nitrate-N(g/m3) Nitrate-N + Nitrite-N(g/m3) Nitrite-N(g/m3) Nitrogen-Total(g/m3) Nitrogen-Total Ammoniacal(g/m3) pH(pH units) Potassium-Dissolved(g/m3) Rubidium - Dissolved (g/m3)(g/m3) Selenium-Dissolved(g/m3) Silver-Dissolved(g/m3) Sodium-Dissolved(g/m3) Strontium-Dissolved(g/m3) Sulphate(g/m3) Sum of Anions(meq/L) Sum of Cations(meq/L) Thallium-Dissolved(g/m3) Tin-Dissolved(g/m3) Total Kjeldahl Nitrogen (TKN)(g/m3) Total Suspended Solids(g/m3) Uranium-Dissolved(g/m3) Vanadium - Dissolved (g/m3)(g/m3) Weak Acid Dissociable (WAD) Cyanide(g/m3) Zinc-Dissolved(g/m3) Parameter DH09 n= 3 WRS02 n= 4 WRS02a n= 3 WRS03 n= 3 WRS03a n= 3 WRS04 n= 10 Min Median Max Min Median Max Min Median Max Min Median Max Min Median Max Min Median Max 18.3 19.2 19.4 9.9 20.5 26 57 72 74 6 6 6.5 14.4 14.8 16.9 2.4 2.95 4.2 0.004 0.004 0.005 0.031 0.038 0.06 0.015 0.041 0.069 0.01 0.011 1.36 0.012 0.026 0.047 0.04 0.0825 0.31 0.0002 0.0002 0.0002 0.0002 0.0002 0.0002 0.0002 0.0002 0.0002 0.0002 0.0002 0.0002 0.0002 0.0002 0.0002 0.0002 0.0002 0.0002 0.001 0.001 0.001 0.001 0.0018 0.0068 0.001 0.001 0.0021 0.001 0.001 0.001 0.001 0.001 0.001 0.001 0.001 0.001 0.082 0.04 0.106 0.157 0.1665 0.184 22 23 24 12.1 25 31 69 87 90 7.3 7.3 7.9 17.6 18 21 2.9 3.6 5.1 0.016 0.016 0.018 0.016 0.022 0.039 0.012 0.013 0.017 0.009 0.01 0.01 0.012 0.013 0.013 0.006 0.009 0.01 0.00005 0.00005 0.00005 0.00005 0.000105 0.00017 0.00005 0.00005 0.00005 0.00005 0.00005 0.00005 0.00005 0.00005 0.00005 0.00005 0.00005 0.00005 0.0005 0.00027 0.00045 0.00024 0.00028 0.00034 2.1 2.1 2.3 2.8 3.25 6.1 23 33 61 0.57 0.58 0.66 1.3 1.47 2 1.55 1.795 2.4 9 11 11 12 16 21 9 10 14 13 13 14 10 12 12 9 14.45 16 0.0008 0.0008 0.001 0.0005 0.00055 0.0007 0.0005 0.0005 0.0007 0.0005 0.0005 0.0035 0.0005 0.0005 0.0008 0.0005 0.0007 0.0011 0.0002 0.0002 0.0002 0.0093 0.0395 0.054 0.0004 0.0031 0.0086 0.0002 0.0002 0.0009 0.0002 0.0002 0.0019 0.0008 0.0009 0.0011 0.0005 0.0005 0.0008 0.0005 0.0008 0.0014 0.0005 0.0005 0.0016 0.0005 0.0005 0.0009 0.0005 0.0008 0.0009 0.0005 0.0005 0.0005 8.6 9 9.2 13.6 17.1 24.4 26.1 34.9 51.8 7.5 7.7 7.8 7.8 8.1 8.4 9.1 10.1 11.5 8.3 8.9 9.2 18.5 18.8 24 84 115 196 5.2 5.25 5.3 6 6.25 6.5 14.9 16.7 21 0.02 0.02 0.02 1.31 1.735 2.6 0.02 0.04 1.29 0.02 0.02 1.33 0.02 0.02 0.02 0.02 0.05 0.27 0.00054 0.0098 0.0001 0.0001 0.000165 0.00038 0.0001 0.0001 0.0001 0.0001 0.0001 0.0001 0.0001 0.0001 0.0001 0.00018 0.00019 0.0005 0.0001 0.0001 0.0001 0.0001 0.0001 0.00012 0.0042 0.0048 0.0051 0.007 0.00745 0.0104 0.0065 0.0076 0.0082 0.001 0.001 0.0014 0.0027 0.0029 0.0032 0.0023 0.00255 0.0028 0.77 0.85 0.87 2.8 3.1 3.7 6.6 7.6 10.6 0.89 0.9 1.06 0.68 0.68 0.83 2.6 2.95 3.7 0.0005 0.0005 0.0005 1.01 2.86 4.1 0.28 2.1 2.5 0.0052 0.0058 0.023 0.0171 0.029 0.067 0.0146 0.01885 0.023 0.00008 0.00008 0.00008 0.00097 0.0049 0.0076 0.00008 0.00008 0.00008 0.00008 0.00008 0.00008 0.00008 0.00008 0.00008 0.00008 0.00008 0.00008 0.00008 0.00008 0.00008 0.00015 0.00605 0.0111 0.00008 0.00008 0.00008 0.00008 0.00008 0.00008 0.00008 0.00008 0.00008 0.00008 0.00008 0.00008 0.0002 0.0002 0.0002 0.0002 0.0002 0.0002 0.0002 0.0004 0.0005 0.0002 0.0002 0.0002 0.0002 0.0002 0.0002 0.0002 0.0002 0.0002 0.0005 0.0009 0.001 0.0041 0.0197 0.03 0.0005 0.001 0.0014 0.0005 0.0005 0.0028 0.0007 0.001 0.0016 0.0005 0.0005 0.0006 0.4 0.6 0.78 0.003 0.006 0.018 0.061 0.079 0.67 0.57 0.625 0.68 0.144 0.147 0.15 1.89 2.6 5.4 0.4 0.6 0.78 0.003 0.0125 0.032 0.061 0.08 0.67 0.52 0.58 0.68 0.144 0.15 0.155 1.89 2.7 5.4 0.002 0.002 0.002 0.002 0.002 0.002 0.002 0.002 0.002 0.002 0.002 0.002 0.002 0.002 0.002 0.002 0.002 0.002 0.22 0.59 0.24 2.3 2.8 5.1 0.119 0.01 0.01 0.01 0.01 0.01 6.4 6.6 6.9 5.2 5.85 6.2 6.7 6.7 6.9 5.6 5.9 6.5 6 6.3 6.9 4.8 5.25 5.6 4.7 5.3 6 3 3.2 3.4 5.9 6.2 6.2 2.6 2.7 2.7 2.9 3 3.1 1.19 1.375 1.57 0.0116 0.0095 0.012 0.0035 0.0037 0.0037 0.001 0.001 0.001 0.001 0.001 0.001 0.0001 0.0001 0.0001 0.0001 0.0001 0.0001 10.6 10.8 11.5 13.6 16.75 31 14.7 17.6 21 10.4 10.4 10.6 11 11 11.6 8.5 10 11 0.035 0.008 0.0155 0.02 0.024 0.031 5 5 6 16 26 41 40 75 155 5 5 5 5 5 6 5 7.5 14 0.8 0.81 0.83 1.08 1.25 1.37 2.6 3.3 4.8 0.62 0.62 0.62 0.69 0.705 0.72 0.66 0.835 0.87 0.76 0.79 0.82 1.19 1.28 1.54 2.6 3.3 5 0.63 0.63 0.63 0.68 0.685 0.69 0.71 0.835 0.96 0.00078 0.00005 0.00015 0.00005 0.00005 0.00005 0.0005 0.0005 0.0005 0.0005 0.0005 0.0005 0.0005 0.0005 0.0013 0.0005 0.0005 0.0005 0.0005 0.0005 0.0005 0.0005 0.0005 0.0005 0.18 0.1 0.1 0.1 0.1 0.12 52 9 3 3 53.5 73 0.00004 0.00004 0.00007 0.00002 0.000025 0.00005 0.001 0.001 0.001 0.001 0.001 0.001 0.001 0.001 0.001 0.001 0.001 0.0022 0.001 0.001 0.0018 0.001 0.001 0.0011 0.0032 0.001 0.001 0.001 0.001 0.002 0.0101 0.012 0.0125 0.0103 0.0124 0.0167 0.0056 0.0144 0.028 0.0012 0.0014 0.0032 0.0033 0.0045 0.0069 0.0022 0.0031 0.0045 Notes: Blank cells indicate parameter not tested, median only indicates only one sample for specific parameter Sample size (n) indicates max sample size for sample location - Not all parameters tested during each sample round 21/01/2021 Table E.6 Summary of NRS groundwater quality 2017-2019 Water Quality Sampling

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